? Do you know the most ancient city in China ─ Xi’an well? ? No, this is the first time I ___________ here

Good morning. I want to buy two ____.—OK. Here you are.

Daniel , remember to close the door before leaving the house.—_________.

blood if you can and many lives will be saved.

This summer, several provinces in the south of China was struck by floods, from ______effects the people are still suffering.